Home / 313,003,231.20-469,504,846.80-82,995,566.40

Finding the Fourth Proportional to 313,003,231.20, 469,504,846.80 and 82,995,566.40

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Solution

The fourth proportional to 313,003,231.20, 469,504,846.80 and 82,995,566.40 is: 124,493,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,003,231.20 : 469,504,846.80 = 82,995,566.40 : x
  2. Step 2: Convert to fraction form
    313,003,231.20/469,504,846.80 = 82,995,566.40/x
  3. Step 3: Cross multiply
    313,003,231.20x = 469,504,846.80 × 82,995,566.40
  4. Step 4: Simplify right side
    313,003,231.20x = 38,966,820,687,711,232
  5. Step 5: Solve for x
    x = 38,966,820,687,711,232/313,003,231.20
  6. Step 6: Final answer
    x = 124,493,349.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.